Computer Science
Scientific paper
Oct 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995sosyr..29..358p&link_type=abstract
Solar System Research, Vol. 29, No. 5, p. 358 - 368
Computer Science
Atomic Data: Lithium, Atomic Data: Cesium
Scientific paper
An experimental technique is developed for studying the radiation that arises when the products of the destruction of indicator layers based on the alkaline metal salts CsCl and LiF are carried out to outer supersonic air flow around conic models. To create a supersonic flow, an aerodynamic device with an arc jet was used. A supersonic nozzle at the outlet of the plasmotron provides the flow with the parameters V∞ = 8.2 km/s, T = 8000K, and p = 1 - 10 Torr. The intensities Iλ of the spectral lines of Li, λ = 670.7 nm and Cs, λ = 455.5 nm were recorded simultaneously. Substances with different volume contents of Li and Cs were used on the cone surfaces. To determine the gas dynamic parameters, a theory for the calculation of mass loss and equilibrium vapor composition in a free-molecular flow was developed. A method for the determination of the temperature and electron concentration in the blast layer on the surface of a cone by means of measured spectral intensities of atomic lines Iλ was developed. It is based on the theory of spectral line broadening and the curves of growth.
Orfanov I. V.
Pilyugin Nikolay N.
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